


Spot Forecast
Issued by NWS Tampa Bay Area, FL
Issued by NWS Tampa Bay Area, FL
001 FNUS72 KTBW 211225 FWSTBW Spot Forecast for Chass 01F south...Florida Fish and Wildlife National Weather Service Tampa Bay Ruskin FL 825 AM EDT Thu Aug 21 2025 Forecast is based on ignition time of 0900 EDT on August 21. If conditions become unrepresentative, contact the National Weather Service. Please contact our office at (813) 645-2323 if you have questions or concerns with this forecast. .DISCUSSION... A west to southwest flow will become established through the weekend with deep moisture spreading across the area leading to scattered to numerous showers and thunderstorms. Relative humidity values will remain well above critical thresholds and winds will remain less than 15 mph, except gusty and erratic near thunderstorms. .REST OF TODAY... Sky/weather.........Mostly sunny (30-40 percent). Scattered showers and isolated thunderstorms. Chance of pcpn......50 percent. Max temperature.....Around 92. Min humidity........62 percent. Wind (20 ft)........Light winds becoming west 5 to 10 mph in the late morning and afternoon. Gusty and erratic winds expected near thunderstorms. Mixing height.......3600 ft AGL. Transport winds.....West 5 to 10 mph. Dispersion index....12 increasing to 43. LVORI...............3. TIME (EDT) 9 AM 11 AM 1 PM 3 PM 5 PM Sky (%).........27 36 40 36 30 Weather cov.....SCTTRD SCTTRD SCTTRD SCTTRD SCTTRD Weather type....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR Tstm cov........ISOLTD ISOLTD ISOLTD ISOLTD ISOLTD Chc of pcpn (%).30 30 30 50 40 Temp............84 89 91 90 90 RH..............78 67 63 64 65 20 ft wind......W 2 W 6 W 8 W 10 W 9 20 ft wind gust.6 9 13 14 15 Mix hgt (ft)....1500 3200 3500 3500 2900 Transport wind..W 5 W 8 W 10 W 10 W 10 Dispersion idx..12 33 44 46 39 LVORI...........4 2 1 1 2 .TONIGHT... Sky/weather.........Partly cloudy (35-45 percent) then becoming mostly cloudy (55-65 percent). Scattered showers and isolated thunderstorms. Chance of pcpn......40 percent. Min temperature.....Around 76. Max humidity........93 percent. Wind (20 ft)........West winds 6 to 8 mph early in the evening becoming light. Gusty and erratic winds expected near thunderstorms. Mixing height.......400 ft AGL. Transport winds.....Southwest 7 to 12 mph. Dispersion index....28 decreasing to 4. LVORI...............5. TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM Sky (%).........32 34 44 44 50 53 Weather cov.....SCTTRD ISOLTD ISOLTD ISOLTD SCTTRD SCTTRD Weather type....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR Tstm cov........ISOLTD ISOLTD ISOLTD ISOLTD ISOLTD ISOLTD Chc of pcpn (%).40 20 20 20 30 40 Temp............88 85 82 80 78 78 RH..............68 75 82 86 90 90 20 ft wind......W 8 W 6 SW 2 SW 2 SW 2 SW 2 20 ft wind gust.14 9 7 6 6 6 Mix hgt (ft)....2900 1100 600 500 500 500 Transport wind..W 12 W 10 SW 9 SW 9 SW 8 SW 8 Dispersion idx..28 5 3 4 3 3 LVORI...........3 3 5 5 6 6 .FRIDAY... Sky/weather.........Partly sunny (60-70 percent). Scattered showers early in the morning. Isolated thunderstorms through the day. Numerous showers early in the morning. Chance of pcpn......70 percent. Max temperature.....Around 91. Min humidity........68 percent. Wind (20 ft)........Light winds becoming southwest 5 to 7 mph late in the morning, then shifting to the west 8 to 9 mph in the afternoon. Gusty and erratic winds expected near thunderstorms. Mixing height.......2600 ft AGL. Transport winds.....Southwest 6 to 15 mph. Dispersion index....8 increasing to 46. LVORI...............4. TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM Sky (%).........60 64 67 72 73 66 Weather cov.....SCTTRD NUMRUS NUMRUS NUMRUS NUMRUS NUMRUS Weather type....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR Tstm cov........ISOLTD ISOLTD ISOLTD ISOLTD ISOLTD ISOLTD Chc of pcpn (%).40 70 70 70 70 70 Temp............77 78 85 88 88 89 RH..............91 91 77 71 69 68 20 ft wind......S 2 S 2 S 5 SW 7 W 9 W 9 20 ft wind gust.6 6 8 12 14 15 Mix hgt (ft)....500 700 1200 1500 1700 2300 Transport wind..W 7 SW 6 SW 10 SW 10 SW 10 W 14 Dispersion idx..3 6 18 23 22 43 LVORI...........6 6 3 3 3 1 $$ Forecaster...Pearce Requested by...Melisa Thompson Type of request...PRESCRIBED .TAG 2520365.0/TBW .DELDT 08/21/25 .FormatterVersion 2.0.0 .EMAIL melisa.thompson@myfwc.com